Examine source code of Quorific

{
  "content_scripts": [
    {
      "css": [
        "style.css"
      ],
      "matches": [
        "https://www.quora.com/*"
      ]
    }
  ],
  "description": "This extension will slay annoying advertisement-like stories on Quora. Based on the Quorific Chrome extension (https://chrome.google.com/webstore/detail/quorific/hhmmmlfffcjeemiefnapabfobflbgcfb)",
  "icons": {
    "128": "icon128.png"
  },
  "manifest_version": 2,
  "name": "Quorific",
  "version": "0.2resigned1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{9b731a09-6569-4e7c-adb4-80daeba54a22}"
    }
  }
}